<template>
  <div class="login_container">
    
      <div class="login_box">
        <!-- 头像区域 -->
        <div class="avatar_box">
          <img src="../assets/logo.jpg" alt="">
        </div>
        <!--表单区域  -->
        <el-form class="login_form" :model="loginForm" :rules="loginFormRules" ref="loginFormRef">
          <!-- 用户名 -->
          <el-form-item prop="username">
            <el-input  prefix-icon="iconfont icon-zhanghao" v-model="loginForm.username" placeholder="请输入用户名"></el-input>
          </el-form-item>
        
        <!-- 密码 -->
          <el-form-item prop="password">
            <el-input  prefix-icon="iconfont icon-mima" v-model="loginForm.password"  show-password placeholder="请输入密码"></el-input>
          </el-form-item>
        
        <!-- 按钮区域 -->
        <el-form-item class="btns">
         <el-button type="primary" @click="login">登录</el-button>
         <el-button type="info" @click="resetLoginForm">重置</el-button>
         </el-form-item>
         </el-form>
      </div>
    
  </div>
</template>

<script>
export default {
  data() {
      return {
        //登录表单数据绑定对象
        loginForm: {
          username: 'admin',
          password: '123456',
        },
        //表单验证规则
        loginFormRules: {
          username: [ { required: true, message: '请输入登录名称', trigger: 'blur' },
            { min: 3, max: 10, message: '长度在 3 到 10 个字符', trigger: 'blur' }],
          password: [ { required: true, message: '请输入密码', trigger: 'blur' },
            { min: 3, max: 10, message: '长度在 3 到 10 个字符', trigger: 'blur' }],
          }
      }
    },
    methods: {
      onSubmit() {
        console.log('submit!');
      },
      resetLoginForm() {
        this.$refs.loginFormRef.resetFields()
      },
      login () {
        this.$refs.loginFormRef.validate(async valid=>{
          if(!valid) return;
          const { data: res} =await this.$http.post('login',this.loginForm);
          if(res.meta.status !== 200) return this.$message.error("账号或密码错误")
          this.$message.success("登录成功")
          window.sessionStorage.setItem('token',res.data.token)
          this.$router.push('/home')
        })
      }
    },
}
</script>

<style lang='less' scoped>
.login_container {
    background-color:#2b4b6b ;
    height: 100%;
}
.login_box {
  width: 450px;
  height: 300px;
  background-color: white;
  border-radius: 3px;
  position: absolute;
   left: 50%;
   top: 50%;
   transform: translate(-50%,-50%);
}
  .avatar_box {
    height: 100px;
    width: 100px;
   border: 1px solid #efefef;
   border-radius: 50%;
   padding: 3px;
   box-shadow: 0 0 10px #ddd;
   position: absolute;
   left: 50%;
   transform: translate(-50%, -50%);
   background-color: #fff;
    img {
      width: 100%;
      height: 100%;
      border-radius: 50%;
      background-color: #eee;
    }
  }



.btns {
  display: flex;
  justify-content: flex-end;
}

.login_form {
  position: absolute;
  bottom: 0%;
  width: 100%;
  padding: 0 20px;
  box-sizing: border-box;
}
</style>